18.—(1) The Minister may on his own motion during the currency of a merchandise licence amend (whether by addition, omission or variation) in such manner as he thinks fit the conditions attached to such licence.

(2) Whenever the Minister proposes to amend, in exercise of the power conferred on him by the immediately preceding sub-section, the conditions attached to a merchandise licence he shall cause a notice to be served on the licensee specifying the amended conditions which are to attach to such licence and upon service of such notice the said amended conditions shall attach to such licence.